Private Sub lbFact2_Change()
Dim k As Long, vTot As Single
vTotal = 0
For k = 0 To Me.lbFact2.ListCount - 1 'k commence à zéro pas à 1 (indice 1ère ligne listbox=0)
If Me.lbFact2.Selected(k) Then
vTotal = vTotal + CLng(Me.lbFact2.List(k, 3))
End If
Next k
LeCheque
End Sub